The Mines and Geosciences Bureau conducts Quadrangle Geologic Mapping of the Jaguimitan and Compostela Quadrangle starting on February 1, 2021. The team is headed by Mustansir V. Manjoorsa with Jyreen Joy M. Peñaloga, Allen Mark P. Abanilla, Mizraim G. Melchor, Marc Darrell C. Rodriguez, Mia Marcelle D. Salo, Renior Moises E. Negro, and Julie P. Benenoso.
Jaguimitan and Compostela Quadrangle covers portions of the Municipalities of Compostela, Nabunturan, Montevista and Monkayo, Province of Davao de Oro, Boston and Cateel, Province of Davao Oriental Trento and Sta. Josefa, Province of Agusan del Sur, and Lingig, Province of Surigao del Sur.
This study aims to identify the lithology or the rock units and physical structure within the Jaguimitan and Compostela Quadrangle and produce geologic map showing the distribution of geologic units and features, including different kinds of rock formations and surficial deposits, and any presence of faults and lineaments.
The activity includes the collection of rock samples for paleo-dating, petrographic analysis and assay. Paleo-dating is used to identify the relative age of the rock through fossils or the remains of plants, animals, fungi, bacteria, and single-celled organisms that preserved in rock. Petrographic analysis is used to identify and describe the mineral content and the textural relationships within the rock. Moreover, Assay is applied to selected samples to determine the percentage of a certain metallic mineral, for instance, gold , copper and others to know its viability.
The importance of Geology is to address some issues in society today which may include energy sources (e.g. coal, petroleum), metallic (e.g. gold, silver, copper) and non-metallic (e.g. limestone, sand and gravel) sources and sustainable mineral resources. It has a big role in the formulation of the Comprehensive Development Plan (CDP) and of the Comprehensive Land Use Plan (CLUP) of the Local Government Units (LGUs)